You jest, but I think having the stomach to see the food you'll soon be eating butchered alive right in front of you and served still twitching, and sincerely enjoying it, is a level of mental maturity that a lot of people have forgotten about and need to remember.

Most people don't realize the significance behind the meat or fish they see at the supermarket. Japanese people know that food is sacred, that it deserves proper respect, and part of that respect is being willing to witness the life that you're about to consume to its end.